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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Seating depth mystery!
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<blockquote data-quote="royinidaho" data-source="post: 394618" data-attributes="member: 2011"><p>It would be reasonable, given the same powder charges, to expect that the shortest COL would give the highest velocity.</p><p></p><p>However, why the 0.04" jump gives the higher velocity is a bit of a puzzle.</p><p></p><p>I could send you an RSI pressure lab if you had a laptop to connect it too. The RSI is pretty revealing. When it comes to pressure curves/spikes/multiple peaks etc.</p><p></p><p>It's probably the "Sherman" case design. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="royinidaho, post: 394618, member: 2011"] It would be reasonable, given the same powder charges, to expect that the shortest COL would give the highest velocity. However, why the 0.04" jump gives the higher velocity is a bit of a puzzle. I could send you an RSI pressure lab if you had a laptop to connect it too. The RSI is pretty revealing. When it comes to pressure curves/spikes/multiple peaks etc. It's probably the "Sherman" case design. :D [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Seating depth mystery!
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